NRSN2 promotes non-small cell lung cancer cell growth through PI3K/Akt/mTOR pathway.

NRSN2 promotes non-small cell lung cancer cell growth through PI3K/Akt/mTOR pathway.
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NRSN2通过PI3K/Akt/mTOR通路促进非小细胞肺癌细胞生长。

DOI:
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发表时间:
2015-03
期刊:
Int J Clin Exp Pathol
影响因子:
--
通讯作者:
Ye, Xiao-Qun
Ye, Xiao-Qun
中科院分区:
其他
文献类型:
--
作者:
Tu, Xiao-Yun;Zhao, Ji-Hua;Cheng, Xiao-Shu;Ye, Xiao-Qun

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Neurensin-2(NRSN2)是一种小的神经膜蛋白,定位于神经细胞中的小泡中。最近的报道表明,Neurensin-2可能在肿瘤中起到抑制作用。然而,肿瘤进展中的生物学功能和分子机制尚不清楚。我们检索Oncomine数据库,发现NRSN2在非小细胞肺癌(NSCLC)中普遍高表达。我们检测了18对非小细胞肺癌及癌旁组织中NRSN2的表达水平,发现NRSN2在恶性组织中过表达。NSCLC细胞株的功能丧失和功能获得实验表明,NRSN2促进细胞生长,但对细胞侵袭没有影响。进一步的研究表明,NRSN2可以影响磷脂酰肌醇3激酶/蛋白激酶B/哺乳动物雷帕霉素靶标(PI3K/Akt/mTOR)信号转导。综上所述,我们的研究结果提示NRSN2通过PI3K/Akt/mTOR途径促进非小细胞肺癌细胞的生长。
Neurensin-2 (NRSN2), a small neural membrane protein which localized in small vesicles in neural cells. Recent report suggested that Neurensin-2 might play a suppressive role in tumor. While the biological functions and molecular mechanisms in cancer progression remain unknown. We retrieved Oncomine Database and found that NRSN2 is commonly highly expressed in non-small cell lung cancer (NSCLC). We examined the levels of NRSN2 in 18 pairs of NSCLC and adjacent tissues and found that NRSN2 was overexpressed in malignant tissues. Both loss and gain of function experiments in NSCLC cell lines suggest that NRSN2 promotes cell growth, but no effects in cell invasion. Further investigation show that NRSN2 could affect phosphatidylinositol 3 kinase/protein kinase B/mammalian target of rapamycin (PI3K/Akt/mTOR) signaling. Taken together, our findings suggest that NRSN2 promotes non-small cell lung cancer cell growth through PI3K/Akt/mTOR pathway.
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